Netgear XR300 buffer overflow

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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8.4$5k-$25k0.00

Summaryinfo

A vulnerability, which was classified as critical, was found in Netgear CBR40, D6220, D6400, D7000v2, D8500, DC112A, DGN2200v4, EAX20, EAX80, EX3700, EX3800, EX3920, EX6000, EX6100, EX6120, EX6130, EX6150, EX6200, EX6920, EX7000, EX7500, MK62, MR60, MS60, R6250, R6300v2, R6400, R6400v2, R6700v3, R6700, R6900P, R6900, R7000, R7000P, R7100LG, R7850, R7900, R7900P, R7960P, R8000, R8000P, R8300, R8500, RAX15, RAX20, RAX200, RAX45, RAX50, RAX75, RAX80, RBK752, RBR750, RBS750, RBK842, RBR840, RBS840, RBK852, RBR850, RBS850, RBS40V-200, RBW30, RS400, WN2500RPv2, WN3500RP, WNDR3400v3, WNR1000v3, WNR2000v2, WNR3500Lv2 and XR300. Impacted is an unknown function. Such manipulation leads to buffer overflow. This vulnerability is uniquely identified as CVE-2020-35796. The attack can only be initiated within the local network. No exploit exists. You should upgrade the affected component.

Detailsinfo

A vulnerability, which was classified as critical, has been found in Netgear CBR40, D6220, D6400, D7000v2, D8500, DC112A, DGN2200v4, EAX20, EAX80, EX3700, EX3800, EX3920, EX6000, EX6100, EX6120, EX6130, EX6150, EX6200, EX6920, EX7000, EX7500, MK62, MR60, MS60, R6250, R6300v2, R6400, R6400v2, R6700v3, R6700, R6900P, R6900, R7000, R7000P, R7100LG, R7850, R7900, R7900P, R7960P, R8000, R8000P, R8300, R8500, RAX15, RAX20, RAX200, RAX45, RAX50, RAX75, RAX80, RBK752, RBR750, RBS750, RBK842, RBR840, RBS840, RBK852, RBR850, RBS850, RBS40V-200, RBW30, RS400, WN2500RPv2, WN3500RP, WNDR3400v3, WNR1000v3, WNR2000v2, WNR3500Lv2 and XR300 (Wireless LAN Software). Affected by this issue is some unknown functionality. The manipulation with an unknown input leads to a buffer overflow vulnerability. Using CWE to declare the problem leads to CWE-120. The product copies an input buffer to an output buffer without verifying that the size of the input buffer is less than the size of the output buffer, leading to a buffer overflow. Impacted is confidentiality, integrity, and availability.

The weakness was disclosed 12/30/2020 as PSV-2020-0201. The advisory is shared for download at kb.netgear.com. This vulnerability is handled as CVE-2020-35796. There are neither technical details nor an exploit publicly available. The current price for an exploit might be approx. USD $5k-$25k (estimation calculated on 06/23/2025).

Upgrading eliminates this vulnerability.

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Productinfo

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CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 8.8
VulDB Meta Temp Score: 8.4

VulDB Base Score: 8.8
VulDB Temp Score: 8.4
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv2info

AVACAuCIA
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VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

Exploitinginfo

Class: Buffer overflow
CWE: CWE-120 / CWE-119
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Partially

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Timelineinfo

12/30/2020 🔍
12/30/2020 +0 days 🔍
06/23/2025 +1636 days 🔍

Sourcesinfo

Vendor: netgear.com

Advisory: PSV-2020-0201
Status: Confirmed

CVE: CVE-2020-35796 (🔍)
GCVE (CVE): GCVE-0-2020-35796
GCVE (VulDB): GCVE-100-166952

Entryinfo

Created: 12/30/2020 11:09
Updated: 06/23/2025 11:06
Changes: 12/30/2020 11:09 (38), 06/23/2025 11:06 (15)
Complete: 🔍
Cache ID: 216::103

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